docs: def sync_to_peer(host, user, paths=None, verbose=False, cmd=None, gid=None,
                   fatal=False):
      """Sync paths to an specific peer host
  
      Propagates exception if any operation fails and fatal=True.
      """
      if paths:
          for p in paths:
              sync_path_to_host(p, host, user, verbose, cmd, gid, fatal)